define(["require", "exports", "vscode-css-languageservice/parser/cssNodes", "vscode-languageserver-types", "vscode-css-languageservice/parser/cssSymbolScope", "vscode-css-languageservice/services/languageFacts"], function (require, exports, nodes, vscode_languageserver_types_1, cssSymbolScope_1, languageFacts_1) {
    /*---------------------------------------------------------------------------------------------
     *  Copyright (c) Microsoft Corporation. All rights reserved.
     *  Licensed under the MIT License. See License.txt in the project root for license information.
     *--------------------------------------------------------------------------------------------*/
    'use strict';
    Object.defineProperty(exports, "__esModule", { value: true });
    var CSSNavigation = /** @class */ (function () {
        function CSSNavigation() {
        }
        CSSNavigation.prototype.findDefinition = function (document, position, stylesheet) {
            var symbols = new cssSymbolScope_1.Symbols(stylesheet);
            var offset = document.offsetAt(position);
            var node = nodes.getNodeAtOffset(stylesheet, offset);
            if (!node) {
                return null;
            }
            var symbol = symbols.findSymbolFromNode(node);
            if (!symbol) {
                return null;
            }
            return {
                uri: document.uri,
                range: getRange(symbol.node, document)
            };
        };
        CSSNavigation.prototype.findReferences = function (document, position, stylesheet) {
            var highlights = this.findDocumentHighlights(document, position, stylesheet);
            return highlights.map(function (h) {
                return {
                    uri: document.uri,
                    range: h.range
                };
            });
        };
        CSSNavigation.prototype.findDocumentHighlights = function (document, position, stylesheet) {
            var result = [];
            var offset = document.offsetAt(position);
            var node = nodes.getNodeAtOffset(stylesheet, offset);
            if (!node || node.type === nodes.NodeType.Stylesheet || node.type === nodes.NodeType.Declarations) {
                return result;
            }
            var symbols = new cssSymbolScope_1.Symbols(stylesheet);
            var symbol = symbols.findSymbolFromNode(node);
            var name = node.getText();
            stylesheet.accept(function (candidate) {
                if (symbol) {
                    if (symbols.matchesSymbol(candidate, symbol)) {
                        result.push({
                            kind: getHighlightKind(candidate),
                            range: getRange(candidate, document)
                        });
                        return false;
                    }
                }
                else if (node.type === candidate.type && node.length === candidate.length && name === candidate.getText()) {
                    // Same node type and data
                    result.push({
                        kind: getHighlightKind(candidate),
                        range: getRange(candidate, document)
                    });
                }
                return true;
            });
            return result;
        };
        CSSNavigation.prototype.findDocumentSymbols = function (document, stylesheet) {
            var result = [];
            stylesheet.accept(function (node) {
                var entry = {
                    name: null,
                    kind: vscode_languageserver_types_1.SymbolKind.Class,
                    location: null
                };
                var locationNode = node;
                if (node instanceof nodes.Selector) {
                    entry.name = node.getText();
                    locationNode = node.findParent(nodes.NodeType.Ruleset);
                }
                else if (node instanceof nodes.VariableDeclaration) {
                    entry.name = node.getName();
                    entry.kind = vscode_languageserver_types_1.SymbolKind.Variable;
                }
                else if (node instanceof nodes.MixinDeclaration) {
                    entry.name = node.getName();
                    entry.kind = vscode_languageserver_types_1.SymbolKind.Method;
                }
                else if (node instanceof nodes.FunctionDeclaration) {
                    entry.name = node.getName();
                    entry.kind = vscode_languageserver_types_1.SymbolKind.Function;
                }
                else if (node instanceof nodes.Keyframe) {
                    entry.name = "@keyframes " + node.getName();
                }
                else if (node instanceof nodes.FontFace) {
                    entry.name = "@font-face";
                }
                if (entry.name) {
                    entry.location = vscode_languageserver_types_1.Location.create(document.uri, getRange(locationNode, document));
                    result.push(entry);
                }
                return true;
            });
            return result;
        };
        CSSNavigation.prototype.findDocumentColors = function (document, stylesheet) {
            var result = [];
            stylesheet.accept(function (node) {
                var colorInfo = getColorInformation(node, document);
                if (colorInfo) {
                    result.push(colorInfo);
                }
                return true;
            });
            return result;
        };
        CSSNavigation.prototype.getColorPresentations = function (document, stylesheet, color, range) {
            var result = [];
            var red256 = Math.round(color.red * 255), green256 = Math.round(color.green * 255), blue256 = Math.round(color.blue * 255);
            var label;
            if (color.alpha === 1) {
                label = "rgb(" + red256 + ", " + green256 + ", " + blue256 + ")";
            }
            else {
                label = "rgba(" + red256 + ", " + green256 + ", " + blue256 + ", " + color.alpha + ")";
            }
            result.push({ label: label, textEdit: vscode_languageserver_types_1.TextEdit.replace(range, label) });
            if (color.alpha === 1) {
                label = "#" + toTwoDigitHex(red256) + toTwoDigitHex(green256) + toTwoDigitHex(blue256);
            }
            else {
                label = "#" + toTwoDigitHex(red256) + toTwoDigitHex(green256) + toTwoDigitHex(blue256) + toTwoDigitHex(Math.round(color.alpha * 255));
            }
            result.push({ label: label, textEdit: vscode_languageserver_types_1.TextEdit.replace(range, label) });
            var hsl = languageFacts_1.hslFromColor(color);
            if (hsl.a === 1) {
                label = "hsl(" + hsl.h + ", " + Math.round(hsl.s * 100) + "%, " + Math.round(hsl.l * 100) + "%)";
            }
            else {
                label = "hsla(" + hsl.h + ", " + Math.round(hsl.s * 100) + "%, " + Math.round(hsl.l * 100) + "%, " + hsl.a + ")";
            }
            result.push({ label: label, textEdit: vscode_languageserver_types_1.TextEdit.replace(range, label) });
            return result;
        };
        CSSNavigation.prototype.doRename = function (document, position, newName, stylesheet) {
            var highlights = this.findDocumentHighlights(document, position, stylesheet);
            var edits = highlights.map(function (h) { return vscode_languageserver_types_1.TextEdit.replace(h.range, newName); });
            return {
                changes: (_a = {}, _a[document.uri] = edits, _a)
            };
            var _a;
        };
        return CSSNavigation;
    }());
    exports.CSSNavigation = CSSNavigation;
    function getColorInformation(node, document) {
        var color = languageFacts_1.getColorValue(node);
        if (color) {
            var range = getRange(node, document);
            return { color: color, range: range };
        }
        return null;
    }
    function getRange(node, document) {
        return vscode_languageserver_types_1.Range.create(document.positionAt(node.offset), document.positionAt(node.end));
    }
    function getHighlightKind(node) {
        if (node.type === nodes.NodeType.Selector) {
            return vscode_languageserver_types_1.DocumentHighlightKind.Write;
        }
        if (node instanceof nodes.Identifier) {
            if (node.parent && node.parent instanceof nodes.Property) {
                if (node.isCustomProperty) {
                    return vscode_languageserver_types_1.DocumentHighlightKind.Write;
                }
            }
        }
        if (node.parent) {
            switch (node.parent.type) {
                case nodes.NodeType.FunctionDeclaration:
                case nodes.NodeType.MixinDeclaration:
                case nodes.NodeType.Keyframe:
                case nodes.NodeType.VariableDeclaration:
                case nodes.NodeType.FunctionParameter:
                    return vscode_languageserver_types_1.DocumentHighlightKind.Write;
            }
        }
        return vscode_languageserver_types_1.DocumentHighlightKind.Read;
    }
    function toTwoDigitHex(n) {
        var r = n.toString(16);
        return r.length !== 2 ? '0' + r : r;
    }
});
